[FIX] website: change translate btn to lowercase

Prior to this commit, the translate button was in uppercase.

To maintain consistency with other buttons, this commit changes the
button to lowercase.

task-3414983
Part of task-3326263

closes odoo/odoo#127828

X-original-commit: 52f0bf2f2581b77a32d5e92fe1ae03d9787db5b4
Signed-off-by: Pierre Paridans (app) <app@odoo.com>

addons/website/static/src/systray_items/translate_website.xml

@@ -5,7 +5,7 @@
         <div class="o_translate_website_container d-none d-md-block">
             <a href="#" accesskey="t" t-on-click="startTranslate" class="btn btn-primary d-flex align-items-center h-100 rounded-0 border-0 fw-normal">
                 <span t-if="websiteContext.translation" class="fa fa-refresh fa-spin me-2"/>
-                TRANSLATE
+                Translate
             </a>
         </div>
     </t>